debut TP21
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24
DEV1.1/TP21/compteur.c
Normal file
24
DEV1.1/TP21/compteur.c
Normal file
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#include <stdio.h>
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#include <stdlib.h>
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int main(void){
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int compteur;
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FILE* file;
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file=fopen("compte","r");
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if (file==NULL){
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printf("mauvaise ouverture");
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return EXIT_FAILURE;
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}
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fread(&compteur,sizeof(int),1,file);
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printf("%d\n",compteur);
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fclose(file);
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fopen("compte","w");
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if (file==NULL){
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printf("mauvaise ouverture");
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return EXIT_FAILURE;
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}
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compteur++;
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fwrite(&compteur,sizeof(int),1,file);
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fclose(file);
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return EXIT_SUCCESS;
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}
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